Telecom operator
J:COM MOBILE
MVNO in Japan on au and NTT docomo’s networks, owned by KDDI Corporation and Sumitomo Corporation.
- Headquarters
- Employees
- 15,7512026source ↗
- Also
- MVNO
- Customers
- ConsumerEnterprise
- Domains
- Mobile
- Website
- jcom.co.jp/service/mobile ↗
MVNO
Active
Host networks2
- — Because it supports au 5G/4G LTE.
- — （使用回線） ａｕ、ドコモ ... ドコモプランの場合：「音声＋データ」タイプ、「データ」タイプ
Services7
- Mobile Voice
- Mobile Data
- 4G
- 5G
- eSIM
- SMS
- Travel Connectivity
Customers: Consumer · Enterprise
Confidence high · verified 2026-09-25 · Cable operator JCOM (KDDI/Sumitomo joint venture) sells mobile under its own brand on au and docomo networks; not the network operator even though KDDI is a 50% shareholder. Point at any line for its source.
Mobile providers & enablers
Verified 2026-09-25 against 1 page from J:COM MOBILE. Point at a role or capability for its source.
Relationships2
Host networks
Ecosystem
hosted on
- Mobile · Because it supports au 5G/4G LTE.active · Company statement
- Mobile · （使用回線） ａｕ、ドコモ ... ドコモプランの場合：「音声＋データ」タイプ、「データ」タイプactive · Reported